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In-s [12.5K]
3 years ago
14

What is the approximate area of the shaded sector in the circle below

Mathematics
2 answers:
melisa1 [442]3 years ago
8 0
First to find the area the formula is A=pi(r^2)
so plug in the numbers                   A= (3.14)(4.5)(4.5)= 63.62 is the total area

150*63.62=9543         9543/360=26.5


So the answer is 26.5 cm ^2
Flauer [41]3 years ago
8 0
\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta \pi r^2}{360}~~
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad degrees\\
------\\
r=4.5\\
\theta= 150
\end{cases}\implies A=\cfrac{(150)(\pi )(4.5^2)}{360}
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